Package org.openspaces.admin.gsc

Interface GridServiceContainers

All Superinterfaces:

AdminAware, DumpProvider, Iterable<GridServiceContainer>

All Known Subinterfaces:

InternalGridServiceContainers

All Known Implementing Classes:

DefaultGridServiceContainers

public interface GridServiceContainers
extends AdminAware, Iterable<GridServiceContainer>, DumpProvider

Grid Service Containers hold all the different GridServiceContainers that are currently discovered.

Provides simple means to get all the current containers, as well as as registering for container lifecycle (added and removed) events.

Author:

kimchy

Method Summary

Modifier and Type	Method	Description
void	addLifecycleListener(GridServiceContainerLifecycleEventListener eventListener)	Allows to add a GridServiceContainerLifecycleEventListener.
GridServiceContainer	getContainerByUID(String uid)	Returns a container based on its uid.
GridServiceContainer[]	getContainers()	Returns all the currently discovered containers.
GridServiceContainerAddedEventManager	getGridServiceContainerAdded()	Returns the grid service container added event manager allowing to add and remove GridServiceContainerAddedEventListeners.
GridServiceContainerRemovedEventManager	getGridServiceContainerRemoved()	Returns the grid service container added event manager allowing to add and remove GridServiceContainerRemovedEventListeners.
int	getSize()	Returns the number of containers current discovered.
Map<String,GridServiceContainer>	getUids()	Returns a map of grid service container with the key as the uid.
boolean	isEmpty()	Returns true if there are no containers, false otherwise.
void	removeLifecycleListener(GridServiceContainerLifecycleEventListener eventListener)	Allows to remove a GridServiceContainerLifecycleEventListener.
boolean	waitFor(int numberOfGridServiceContainers)	Waits indefinitely till the provided number of containers are up.
boolean	waitFor(int numberOfGridServiceContainers, long timeout, TimeUnit timeUnit)	Waits for the given timeout (in time unit) till the provided number of containers are up.

Methods inherited from interface org.openspaces.admin.AdminAware

getAdmin

Methods inherited from interface org.openspaces.admin.dump.DumpProvider

generateDump, generateDump

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Details

getContainers

GridServiceContainer[] getContainers()

Returns all the currently discovered containers.

getContainerByUID

GridServiceContainer getContainerByUID(String uid)

Returns a container based on its uid.

See Also:

• GridComponent.getUid()

getUids

Map<String,GridServiceContainer> getUids()

Returns a map of grid service container with the key as the uid.

getSize

int getSize()

Returns the number of containers current discovered.

isEmpty

boolean isEmpty()

Returns true if there are no containers, false otherwise.

waitFor

boolean waitFor(int numberOfGridServiceContainers)

Waits indefinitely till the provided number of containers are up. When passing 0, will wait till there are no more grid service containers.

Parameters:

numberOfGridServiceContainers - The number of containers to wait for

waitFor

boolean waitFor(int numberOfGridServiceContainers,
 long timeout,
 TimeUnit timeUnit)

Waits for the given timeout (in time unit) till the provided number of containers are up. Returns true if the required number of containers were discovered, false if the timeout expired.

When passing 0, will wait till there are not more containers.

Parameters:

numberOfGridServiceContainers - The number of containers to wait for

getGridServiceContainerAdded

GridServiceContainerAddedEventManager getGridServiceContainerAdded()

Returns the grid service container added event manager allowing to add and remove GridServiceContainerAddedEventListeners.

getGridServiceContainerRemoved

GridServiceContainerRemovedEventManager getGridServiceContainerRemoved()

Returns the grid service container added event manager allowing to add and remove GridServiceContainerRemovedEventListeners.

addLifecycleListener

void addLifecycleListener(GridServiceContainerLifecycleEventListener eventListener)

Allows to add a GridServiceContainerLifecycleEventListener.

removeLifecycleListener

void removeLifecycleListener(GridServiceContainerLifecycleEventListener eventListener)

Allows to remove a GridServiceContainerLifecycleEventListener.